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A 51-kilogram sled is at rest. Susan pushes the sled until it travels at 11 meters per second. How much work has Susan done?
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A cyclist rode at an average speed of 15mph for 30miles how long was the ride A) 0.5 1 Hour B)1 Hour C)2 Hours D)3 Hours
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The area under which of these graphs can be used to estimate the value of impulse? Graph A Graph B Graph C Graph D
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True or false forces such as weathering and erosion that work to wear away high points and flatten out earths surface are called constructive forces
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Multicellular plants and animals have organs to perform specific functions.What do eukaryotic cells have to perform specific functions. A:ribosomes B:organelles C:cytoplasm D:vacuole
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When a baseball player catches a baseball, the glove "gives" or moves backward. How does this movement affect the change in momentum of the baseball? The change in momentum increases because the impac
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If you went on the moon’s near side during a new moon, how much of the side of Earth facing you would be sunlit?
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I am doing a paper on physics and I need a claim about how enry transformations when someone is kicking a soccer ball
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Why would fossils found at the top of a canyon probably be younger than those found at the bottom of the canyon
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A fulcrum moving a resistance of 200 g has a distance to the fulcrum of 20 cm, the effort mass of 50 g has a distance to the fulcrum of 80 cm. The resistance moves 10 cm, the effort moves 40 cm. Calcu
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Sue observes that when a baseball player slides toward a base, the ground exerts friction away from the base. Based on her observation, which conclusion is correct?Friction acts at a distance. Fricti
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A D note has a frequency of 587.33 Hz. Calculate its wavelength in meters. CAN SOMEONE EXPLAIN HOW TO DO THIS PLEASE? currently I found the answer of 0.579m but don't know how to get there.
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Within any ecosystem, there is a fixed amount of energy available for organisms to use. Since organisms usually produce more offspring than a given ecosystem can support, this causes _______.
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You do 116 J of work while pulling your sister back on a swing, whose chain is 5.10 m long, until the swing makes an angle of 32.0° with the vertical. What is your sister's mass?
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In the levers lab when you changed the position of the fulcrum, what else changed? A.Weight B.Gravity C.Resistance Force D.Effort Farci
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When you jump on the ground, the Earth exerts a greater force back up on you because it is so massive. Please select the best answer from the choices provided T F
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This is an Assignment, it's not a quiz question it's a question my teacher gave me for the assignment. "Why is a globe useful as Scientific Models?" If you could explain it in 2 or 3 sentences that wo
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Q8I ATTACHED THE QUSTIONThe figure below shos a conducting loop being pulled out of a magnetic field at constant speed v. the width of the loop is W=0.14 m , the length of the loopis L =1.11 m , (L i
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Which statement best describes the relationship between period and frequency of light waves? A) In wave B the period increases and the frequency is decreases from wave A. B) In wave A the period incre
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A 10t wagon moving at 4m/s strikes a 20t wagon moving at 2.5m/s in the same direction. After collision, the 10t wagon travels backwards at 3.6m/s. Find the velocity of the 20t wagon immediately after
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The appearance of Cyanobacteria in Earth's early history resulted in an excess of oxygen in the atmosphere which fueled the evolution of complex life. In what other ways did oxygen impact Earth?
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ASAP which changes in an electric motor will make the motor stronger check all that apply using a stronger permanent magnet using a weaker permanent magnet increasing current in the electromagnet decr
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The 2004 Indian Ocean tsunami was caused by a shift in two plates that pushed one section of the sea floor under another section of the sea floor by 5 meters. What type of boundary is this?
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Electrons in a photoelectric-effect experiment emerge from a copper surface with a maximum kinetic energy of 1.10 eV.
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Q4 i attach the full question Consider two long straight current - carrying wires seen end -on in the figure below . The wires are perpendicular to the screen of the computer the cur
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Q4 i attach the full question Consider two long straight current - carrying wires seen end -on in the figure below . The wires are perpendicular to the screen of the computer the curr
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Which of the following best explains the polarity of water (H2O)? A. Electrons are more attracted to the oxygen atom, so there is a partial negative charge on the oxygen atom. B. Since the oxygen atom
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Q5 Two containers ( call them A and B ) with the same initial volume , V=47L, hold the same amount of monatomic ideal gas ,say helium , at the same initial temperature TI =304 K and the same initial
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Q7 During one compression stroke ( process) in an engine , 0.30 moles of air ( a diatomic ideal gas ) are compressed adiabatically from an initial volume and temperature of V1= 5.3 L and T1=277K to fi
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A 24 kg child descends a 5.0 m high slide and reaches the ground with a speed of 2.8 m/s. What is the child's Gravitational Potential Energy? (Assume gravity to be -10 m/s^2)
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A train travels 59 kilometers in 3 hours, and then 74 kilometers in 5 hours. What is its average speed?
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A 222-Newton upward net force is being applied to a 101010-kg object. What is the magnitude of the upward acceleration on the object (in\text{ m}/\text{s}^2 m/s 2 space, m, slash, s, start s
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A stationary rock is pushed off a very high cliff. Which graph correctly represents the acceleration due to gravity as the rock undergoes free fall to the ground? A) https://www.usatestprep.com/modul
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50 points! A 9.0 x 10^3 kg satellite orbits the Earth at the distance of 2.56 x 10^7 m from Earth’s surface. What is its period? Showing work is required! Thanks!
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Use the following table of a school bus during morning pickups to calculate its average speed between 0 h and 2.34 h. Could you please also explain how you got your answer? WILL MARK BRAINLIEST
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Use the following table of a school bus during morning pickups to calculate its average speed between 0 h and 2.34 h. Enter your answer in the space providedWILL MARK BRAINLIEST
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A pumpkin with a mass of 2.5 m/s was pushed toward a wall. The average acceleration of the pumpkin was 10.7 m/s. how much force was applied to the pumpkin to make it move?
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What one is a true statement about endothermic reactions? a)energy from an outside source is continuously being added b)the reaction container always feels hot c)the reactants have less heat energy th
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In an attempt to reduce our dependence on non-renewable resources, and cut down on the harm to the environment, we could burn ______ to produce electricity. (2 points)
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How would you change the distance between two charged particles to increase the electric force between them by a factor of 16? a) reduce the distance by a factor of 4. b) increase the distance by a fa
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Tim adds salt as he starts to heat a pot of water to cook pasta. When the water is boiling, he notices the salt has dissolved explain y
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Where qvis is the energy of activation for viscous flow, a is a temperature-independent constant, and r and t are, respectively, the gas constant and the absolute temperature. a plot of ln η versus 1
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What is the probability that an electron in the 1s state of a hydrogen atom will be found at a distance less than a/4 from the nucleus?
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Treating the ladder as a uniform rod of length 3.66 m and mass 10.6 kg, find the torque the person must exert on the ladder to give it an angular acceleration of 0.243 rad/s2.
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The signal generator has an open-circuit voltage of 3.5 v. when the generator is loaded with 22 ω resistance, its terminal voltage drops to 2.8 v. what is the generator's output impedance
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The 200-mm-radius disk rolls without sliding on the surface shown. knowing that the distance bg is 160 mm and that at the instant shown the disk has an angular velocity of 8.4 rad/s counterclockwise a
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The hoisting gear a has an initial angular velocity of 60 rad>s and a constant deceleration of 1 rad>s2. determine the velocity and deceleration of the block which is being hoisted by the hub on gear
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The development of cyclones and anticyclones about high- and low-pressure regions is a result of deflection of air currents by ____________.
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The active element of a certain laser is made of a glass rod 33.0 cm long and 1.30 cm in diameter. assume the average coefficient of linear expansion of the glass is equal to 9.00 10-6 (°c)-1. the te
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Point charge is moving at a constant 8.0 x 106 m/s in the + y-direction, relative to a reference frame. at the instant when the point charge is at the origin of this reference frame, what is the magne
